Home / 315,576,820.60-473,365,230.90-177,827,313.40

Finding the Fourth Proportional to 315,576,820.60, 473,365,230.90 and 177,827,313.40

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Solution

The fourth proportional to 315,576,820.60, 473,365,230.90 and 177,827,313.40 is: 266,740,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,576,820.60 : 473,365,230.90 = 177,827,313.40 : x
  2. Step 2: Convert to fraction form
    315,576,820.60/473,365,230.90 = 177,827,313.40/x
  3. Step 3: Cross multiply
    315,576,820.60x = 473,365,230.90 × 177,827,313.40
  4. Step 4: Simplify right side
    315,576,820.60x = 84,177,267,267,917,664
  5. Step 5: Solve for x
    x = 84,177,267,267,917,664/315,576,820.60
  6. Step 6: Final answer
    x = 266,740,970.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.